US2743016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strainers
Assignee: —
•
Filing: —
•
Granted: 1956-04-24
•
Expires: 1973-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/111; B01D29/44; B01D29/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1688326A
Cited
GB358496A
Cited
US2000490A
Cited
US2188643A
Cited
DE726783C
Cited
US2444147A
Cited
US2583423A
Cited
US2699261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |